Hybrid Racing Honda Replacement Coolant Switch

Used to control radiator fan. OEM B/D/K-series replacement sensor Common K-Series engine swap product. Universal fit with Hybrid Racing radiator hose insert and radiators M18x1.5 thread Description This sensor is designed to switch the radiator fan on when the coolant gets above safe operating temperature. Easily inserted into any Hybrid Racing K Swap Radiators and is a must-have for anyone doing a K-Swap.